Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2009, Vol. 32 ›› Issue (1): 73-76.doi: 10.13190/jbupt.200901.73.zhaochl

• Papers • Previous Articles     Next Articles

A Power Control Algorithm with Faster Convergence for Cognitive Radio

Li Peng Ting Jiang   

  • Received:2008-06-23 Revised:2008-10-15 Online:2009-01-28 Published:2009-01-28
  • Contact: Li Peng

Abstract:

An adaptive power control game algorithm was proposed based on code division multiple access cognitive radio (CR) system by designing an effective cost function. The uniqueness and existence of the Nash Equilibrium was proved for the scheme. Simulations show that the lower power will be obtained with faster convergence compared with other three algorithms while the signal to interference ratio (SIR) is satisfied.

Key words: cognitive radio, non-cooperative game, convergence